3,涓嬭澆squid婧愮爜錛岃В鍖咃紱
4錛屽埌婧愮爜鐩綍錛宮kdir build, cd build;
5,sudo LIBS=-lresolv ../configure --prefix=/usr/squid
6,sudo make
7,sudo make install
瀹夎瀹屾垚
]]>
CInternetSession sess ;
DWORD dwFlag = INTERNET_FLAG_TRANSFER_BINARY|INTERNET_FLAG_DONT_CACHE|INTERNET_FLAG_RELOAD ;
CHttpFile *pF = (CHttpFile*)sess.OpenURL("http://www.google.cn/images/na666v_logo7.png",
1, dwFlag);
ASSERT(pF);
if(!pF)//緗戜笂鏈変漢璇村垽鏂璈ttpFile鎸囬拡鏄惁涓虹┖灝卞彲浠ュ垽鏂綉緇滄枃浠舵槸鍚﹀瓨鍦紝緇忓疄楠屼竴鐩翠笉涓虹┖錛岄儊闂鳳紝鏄垜鐨勬満鍣ㄩ棶棰橈紵
{
AfxThrowInternetException(1);
}
CString str;
pF->QueryInfo (HTTP_QUERY_STATUS_CODE, str);//HTTP_QUERY_STATUS_CODE鏌ヨ鐘舵佷俊鎭紝榪欓噷鍙互鏌ヨ鏂囦歡鐨勫ぇ灝忕瓑絳夛紝鍏蜂綋鐨勫湪HTTP_QUERY_STATUS_CODE涓婂彸閿紝杞埌瀹氫箟錛屾湁寰堝鍙夐」
int b = _ttoi(str);
if (b==404)
{
AfxMessageBox("鏂囦歡涓嶅瓨鍦?/span>");
}
else
{
AfxMessageBox("瀛樺湪");
}
DWORD dwFlag = INTERNET_FLAG_TRANSFER_BINARY|INTERNET_FLAG_DONT_CACHE|INTERNET_FLAG_RELOAD ;
CHttpFile *pF = (CHttpFile*)sess.OpenURL("http://www.google.cn/images/na666v_logo7.png",
1, dwFlag);
ASSERT(pF);
if(!pF)//緗戜笂鏈変漢璇村垽鏂璈ttpFile鎸囬拡鏄惁涓虹┖灝卞彲浠ュ垽鏂綉緇滄枃浠舵槸鍚﹀瓨鍦紝緇忓疄楠屼竴鐩翠笉涓虹┖錛岄儊闂鳳紝鏄垜鐨勬満鍣ㄩ棶棰橈紵
{
AfxThrowInternetException(1);
}
CString str;
pF->QueryInfo (HTTP_QUERY_STATUS_CODE, str);//HTTP_QUERY_STATUS_CODE鏌ヨ鐘舵佷俊鎭紝榪欓噷鍙互鏌ヨ鏂囦歡鐨勫ぇ灝忕瓑絳夛紝鍏蜂綋鐨勫湪HTTP_QUERY_STATUS_CODE涓婂彸閿紝杞埌瀹氫箟錛屾湁寰堝鍙夐」
int b = _ttoi(str);
if (b==404)
{
AfxMessageBox("鏂囦歡涓嶅瓨鍦?/span>");
}
else
{
AfxMessageBox("瀛樺湪");
}
]]>
int a[5]={1,2,3,4,5};
int *ptr1=(int *)(&a+1);
// a鏈韓灝變負(fù)涓涓暟緇勭殑鍦板潃錛屽叾鍊?&a[0]錛屽嵆鏁扮粍絎竴涓厓绱犵殑鍦板潃錛屽a鍐嶅彇鍧
// &a = a錛屼技涔庢病浠涔堜笉鍚岋紝鍏跺疄榪欓噷鍙戠敓浜嗗榻愬彉鏇達(dá)紝a+1鐨勫榻愭槸浠nt涓虹晫鐨?br>// 鑰?amp;a+1鏄互鏁翠釜鏁扮粍涓哄崟浣嶇殑錛屽嵆5涓猧nt=20瀛楄妭錛岃繖鏄叧閿紒錛侊紒
// 閭ｄ箞&a+1瀹為檯鏄法瓚婁簡鏁翠釜鏁扮粍錛屽彲寰梡tr1瀛樺偍浜嗘暟緇刟鏈鍚庝竴涓厓绱?绱ц窡鐫鐨勪竴涓猧nt鐨勫湴鍧
int *ptr2=(int *)((int )a+1);
// 鍚岀悊錛?int)a鍏堝皢鍏跺鹼紙鍦板潃錛夎漿涓烘暣鍨嬪鹼紝鍐嶅姞涓鎴愪負(fù)涓涓柊鐨勬暣鏁?br>// (int *)灝嗚繖涓艱漿鎹負(fù)涓涓寚鍚慽nt鍨嬪彉閲忕殑鎸囬拡錛堝湴鍧錛?br>// ptr2鍗沖瓨鍌ㄤ簡榪欎釜鍦板潃鍜屾寚鍚戠殑鍙橀噺鐨勭被鍨?br>
printf("%x,%x",ptr1[-1],*ptr2);
// 鍏堣В閲婁竴涓媋[-1]錛屽嵆灝嗘暟緇勫悜鍓嶅亸宸竴涓被鍨嬪ぇ灝忕殑璺濈
// 鏁扮粍a鐨勫唴瀛樺竷灞(16榪涘埗)錛?1000000 02000000 03000000 04000000 05000000
// ptr1[-1]
// 浣犺榪欓噷絳変簬浠涔堝憿錛熸暟緇刟鏈鍚庝竴涓厓绱狅紙5錛夌揣璺熺潃涓涓猧nt鐨勫墠闈竴涓厓绱犲綋鐒跺氨鏄?浜嗐?br>// *ptr2
// ptr2鐨勫間負(fù)a淇濆瓨鐨勫湴鍧鍊肩殑緇濆鍊?1錛屽亣璁綼=1000錛岄偅涔?int)a+1=1001銆?br>// 鑰屽悗灝嗗叾鍐嶈漿涓?int *)鎸囬拡錛岄偅涔堟寚閽堟寚鍚戠殑鍐呭瓨甯冨眬涓?00000 02錛屽嵆鍚戝悗縐諱簡涓涓瓧鑺?br>// 閭ｄ箞鍦╨ittle-enddian鏋舵瀯涓嬫樉紺哄嚭鏉ヤ負(fù)02000000錛屼綆浣嶅湪楂樺湴鍧銆?br>
return 0;
}
]]>
{
unsigned char buf[8192];
DWORD dwSize;
if (GetPrinter(PrnHandle,2,buf,sizeof(buf),
&dwSize)) {
PRINTER_INFO_2* pInfo;
pInfo = (PRINTER_INFO_2*)buf;
//pInfo->Status 灝辨槸鎵撳嵃鏈虹殑鐘舵侊紝璇︾粏鐨勪唬鐮佸彲浠?nbsp;
//鍙傝winspool.h涓互PRINTER_STATUS寮澶寸殑瀹忓畾涔?nbsp;
if(pInfo->Status==PRINTER_STATUS_PAUSED)
AfxMessageBox("a");
else if(pInfo->Status==PRINTER_STATUS_PENDING_DELETION)
AfxMessageBox("b");
///////////浠ヤ笂pInfo->Status浠ｇ爜璇曢獙涓嶆垚鍔燂紝鍝綅鐭ラ亾鍘熷洜璇峰憡鐭ワ紝璋㈣阿
if (pInfo->Attributes&PRINTER_ATTRIBUTE_WORK_OFFLINE)//嫻嬭瘯鎴愬姛
{
AfxMessageBox("offline");
}
else
{
AfxMessageBox("online");
}
}
ClosePrinter(PrnHandle);
}
涓婇潰鏄垽鏂墦鍗版満鏄惁榪炴満鐨勩?br>涓嬮潰鏄垽鏂墦鍗頒換鍔℃槸鍚︽甯稿畬鎴愮殑錛?br> SetTimer(1,500,NULL);//鐢ㄥ畾鏃跺櫒鏉ュ畬鎴?br>
鍝嶅簲鍑芥暟錛?br>switch(nIDEvent)
{
case 1:
{
JOB_INFO_2 *pJobs;
int cJobs,
i;
DWORD dwPrinterStatus;
if (!GetJobs(hPrinter, &pJobs, &cJobs, &dwPrinterStatus))
return ;
for (i=0; i < cJobs; i++)
{
if (pJobs[i].Status &
(JOB_STATUS_ERROR |
JOB_STATUS_OFFLINE |
JOB_STATUS_PAPEROUT |
JOB_STATUS_BLOCKED_DEVQ))
{
KillTimer(1);
AfxMessageBox(pJobs[i].pDocument);
free( pJobs );
return ;
}
}
free( pJobs );
}
break;
default:
break;
}
鐢ㄥ埌鐨勬柟娉曪細(xì)
BOOL GetJobs(HANDLE hPrinter, /* Handle to the printer. */
JOB_INFO_2 **ppJobInfo, /* Pointer to be filled. */
int *pcJobs, /* Count of jobs filled. */
DWORD *pStatus) /* Print Queue status. */
{
DWORD cByteNeeded,
nReturned,
cByteUsed;
JOB_INFO_2 *pJobStorage = NULL;
PRINTER_INFO_2 *pPrinterInfo = NULL;
/* Get the buffer size needed. */
if (!GetPrinter(hPrinter, 2, NULL, 0, &cByteNeeded))
{
if (GetLastError() != ERROR_INSUFFICIENT_BUFFER)
return FALSE;
}
pPrinterInfo = (PRINTER_INFO_2 *)malloc(cByteNeeded);
if (!(pPrinterInfo))
/* Failure to allocate memory. */
return FALSE;
LPCSTR str="sssssssssss";
/* Get the printer information. */
if (!GetPrinter(hPrinter,2,(unsigned char *)(LPSTR)pPrinterInfo,cByteNeeded,&cByteUsed))
{
/* Failure to access the printer. */
free(pPrinterInfo);
pPrinterInfo = NULL;
return FALSE;
}
/* Get job storage space. */
if (!EnumJobs(hPrinter,
0,
pPrinterInfo->cJobs,
2,
NULL,
0,
(LPDWORD)&cByteNeeded,
(LPDWORD)&nReturned))
{
if (GetLastError() != ERROR_INSUFFICIENT_BUFFER)
{
free(pPrinterInfo);
pPrinterInfo = NULL;
return FALSE;
}
}
pJobStorage = (JOB_INFO_2 *)malloc(cByteNeeded);
if (!pJobStorage)
{
/* Failure to allocate Job storage space. */
free(pPrinterInfo);
pPrinterInfo = NULL;
return FALSE;
}
ZeroMemory(pJobStorage, cByteNeeded);
/* Get the list of jobs. */
if (!EnumJobs(hPrinter,
0,
pPrinterInfo->cJobs,
2,
(LPBYTE)pJobStorage,
cByteNeeded,
(LPDWORD)&cByteUsed,
(LPDWORD)&nReturned))
{
free(pPrinterInfo);
free(pJobStorage);
pJobStorage = NULL;
pPrinterInfo = NULL;
return FALSE;
}
/*
* Return the information.
*/
*pcJobs = nReturned;
*pStatus = pPrinterInfo->Status;
*ppJobInfo = pJobStorage;
free(pPrinterInfo);
return TRUE;
}
闇瑕佹彃鍏ュご鏂囦歡#include <winspool.h>
]]>